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DE3246233A1 - DEVICE FOR TRANSMITTING A TORQUE - Google Patents

DEVICE FOR TRANSMITTING A TORQUE

Info

Publication number
DE3246233A1
DE3246233A1 DE19823246233 DE3246233A DE3246233A1 DE 3246233 A1 DE3246233 A1 DE 3246233A1 DE 19823246233 DE19823246233 DE 19823246233 DE 3246233 A DE3246233 A DE 3246233A DE 3246233 A1 DE3246233 A1 DE 3246233A1
Authority
DE
Germany
Prior art keywords
teeth
toothing
ring
parts
axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
DE19823246233
Other languages
German (de)
Other versions
DE3246233C2 (en
Inventor
Michel Alexandre 78700 Conflans-Sainte-Honorine Orain
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GKN Driveline International GmbH
Original Assignee
Uni Cardan AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Uni Cardan AG filed Critical Uni Cardan AG
Priority to DE19823246233 priority Critical patent/DE3246233A1/en
Priority to JP58177197A priority patent/JPS59110922A/en
Priority to ES1983274635U priority patent/ES274635Y/en
Priority to IT05210/83A priority patent/IT1195446B/en
Priority to IT8307059U priority patent/IT8307059V0/en
Priority to BR8306398A priority patent/BR8306398A/en
Priority to US06/559,205 priority patent/US4576503A/en
Priority to GB08332866A priority patent/GB2131916B/en
Priority to FR8320057A priority patent/FR2537678B1/en
Publication of DE3246233A1 publication Critical patent/DE3246233A1/en
Application granted granted Critical
Publication of DE3246233C2 publication Critical patent/DE3246233C2/de
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
    • F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
    • F16C19/183—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles
    • F16C19/184—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • B60B27/0005—Hubs with ball bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/063—Fixing them on the shaft
    • F16C35/0635—Fixing them on the shaft the bore of the inner ring being of special non-cylindrical shape which co-operates with a complementary shape on the shaft, e.g. teeth, polygonal sections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/07—Fixing them on the shaft or housing with interposition of an element
    • F16C35/073—Fixing them on the shaft or housing with interposition of an element between shaft and inner race ring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
    • F16D1/064—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end non-disconnectable
    • F16D1/072—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end non-disconnectable involving plastic deformation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
    • F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
    • F16D1/09—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces
    • F16D1/093—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces using one or more elastic segmented conical rings forming at least one of the conical surfaces, the rings being expanded or contracted to effect clamping
    • F16D1/095—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces using one or more elastic segmented conical rings forming at least one of the conical surfaces, the rings being expanded or contracted to effect clamping with clamping effected by ring contraction only
    • F16D1/096—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces using one or more elastic segmented conical rings forming at least one of the conical surfaces, the rings being expanded or contracted to effect clamping with clamping effected by ring contraction only the ring or rings being located between the shaft and the hub
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • B60B27/0015—Hubs for driven wheels
    • B60B27/0036—Hubs for driven wheels comprising homokinetic joints
    • B60B27/0042—Hubs for driven wheels comprising homokinetic joints characterised by the fixation of the homokinetic joint to the hub
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/40—Clamping arrangements where clamping parts are received in recesses of elements to be connected
    • F16B2200/403—Threaded clamping parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/40—Clamping arrangements where clamping parts are received in recesses of elements to be connected
    • F16B2200/406—Clamping parts being collars, bushings or wedges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
    • F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
    • F16C19/183—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles
    • F16C19/184—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement
    • F16C19/187—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement with all four raceways integrated on parts other than race rings, e.g. fourth generation hubs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
    • F16C2226/10—Force connections, e.g. clamping
    • F16C2226/16—Force connections, e.g. clamping by wedge action, e.g. by tapered or conical parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/01—Parts of vehicles in general
    • F16C2326/02—Wheel hubs or castors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7026—Longitudinally splined or fluted rod
    • Y10T403/7035—Specific angle or shape of rib, key, groove, or shoulder
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7047—Radially interposed shim or bushing
    • Y10T403/7051—Wedging or camming
    • Y10T403/7052—Engaged by axial movement
    • Y10T403/7056—Threaded actuator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2164—Cranks and pedals

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gears, Cams (AREA)
  • Motor Power Transmission Devices (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Mechanical Operated Clutches (AREA)
  • Transmission Devices (AREA)
  • One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
  • Pulleys (AREA)

Description

Vorrichtung zum Übertragen eines DrehmomentesDevice for transmitting torque

Die Erfindung betrifft eine Vorrichtung zum Übertragen eines Drehmomentes von einem treibenden auf ein angetriebenes Teil, welche zumindest teilweise koaxial zueinander angeordnet sind, mittels an beiden Teilen angebrachten Verzahnungen und einer Anpreßmutter bzw. Anpreßschraube, insbesondere von einem Gleichlaufdrehgelenk eines angetriebenen Rades eines Motorfahrzeuges auf die zum Befestigen des Rades vorgesehenen Radnabe, wobei eines der beiden Teile mit zur Achse beider Teile parallelverlaufenden, auf dem Umfang verteilt angeordneten Zähnen und das andere Teil mit einem sich erweiternden Bereich in Gestalt eines Kegelstumpfmaateis mit auf der Mantelfläche angeordneten Zähnen versehen ist, welche unter einem Winkel zur Achse beider Teile verlaufen, deren gedachten Verlängerungen die Achse in einem Punkte schneiden, und wobei zwischen beiden Verzahnungen ein im Querschnitt etwa dreieckförmiger Ring aufgenommen ist, welcher in seiner Bohrung und auf seiner eine Dreieckfläche bildenden Außenseite mit zu den Zähnen der beiden anderen Teile korrespondierenden Zähnen versehen ist, gegen welche die Mutter bzw. Schraube anpreßbar ist. ;The invention relates to a device for transmitting a Torque from a driving to a driven part, which are at least partially arranged coaxially to one another are, by means of teeth attached to both parts and a clamping nut or clamping screw, in particular of one Constant velocity universal joint of a driven wheel of a motor vehicle on the wheel hub provided for fastening the wheel, one of the two parts with the axis of both Parts parallel running, distributed on the circumference arranged teeth and the other part with a widening Area in the form of a truncated cone ice with on the outer surface arranged teeth is provided, which run at an angle to the axis of both parts, their imaginary Extensions intersect the axis at one point, and with an approximately triangular cross-section between the two teeth Ring is added, which in its bore and on its outer side forming a triangular surface with the Teeth of the other two parts is provided with corresponding teeth, against which the nut or screw can be pressed is. ;

BAD ORIGINALBATH ORIGINAL

Eine Vorrichtung dieser Art wurde schon in der EP-Anmeldung 59 339 vorgeschlagen. Hierbei wurde bereits die Bedeutung erkannt/ zum Übertragen eines Drehmomentes von einem treibenden auf ein angetriebenes Teil einen in seiner geometrischen Konfiguration etwa dreieckförmig ausgebildeten und sowohl an seiner Außen- als auch an seiner Innenseite mit Verzahnungen versehenen Ring zu verwenden. Der mittels einer Mutter in Axialrichtung zu fixierende Ring steht dabei mit korrespondierenden Verzahnungen im Eingriff, welche ihrerseits sowohl am treibenden als auch am getriebenen Teil der dem Übertragen des Drehmomentes insgesamt dienenden Vorrichtung angeordnet sind.A device of this type has already been proposed in EP application 59,339. The meaning was already here recognized / to transfer a torque from a driving to a driven part one in its geometric Configuration roughly triangular and both at to use its outside as well as on its inside with serrated ring. The by means of a mother in The ring to be fixed in the axial direction is in engagement with corresponding teeth, which in turn both arranged on the driving as well as on the driven part of the device used to transmit the torque as a whole are.

Wenngleich der die insoweit schon vorgeschlagene Erfindung tragende Gedanke der Benutzung eines Zahnringes an sich richtig ist, ist dieser jedoch noch keineswegs optimal ausgebildet, zumal er weder eine Zentrierung der zu verbindenden Bauteile gestattet, noch in Axialrichtung deren Verspannung gewährleistet. Angesichts dessen hat sich die vorliegende Erfindung die Aufgabe gestellt, den bisher lediglich der Drehmomentübertragung dienenden ,Zahnring dergestalt zu vervollkommnen, daß er zugleich auch zum Zentrieren der Bauteile sowie zum Erzeugen notwendiger axialer Verpannung herangezogen werden kann. Unter Berücksichtigung dieser Erkenntnisse läßt sich der Zahnring sowohl in funktioneller und baulichmontagemäßiger Hinsicht als auch fabrikatorisch optimieren.Even though the idea of using a toothed ring, which supports the invention that has already been proposed, is in itself correct is, however, this is by no means optimally designed, especially since it does not center the components to be connected permitted, their bracing guaranteed in the axial direction. In view of this, the present Invention set the task of perfecting the toothed ring, which was previously only used for torque transmission, that it is also used to center the components and to generate the necessary axial tension can be. Taking these findings into account, the toothed ring can be assembled in both functional and structural terms Optimize in terms of both manufacturing and manufacturing.

Erfindungsgemäß wird diese Aufgabe gelöst durch einen metallischen, elastisch und/oder plastisch deformierbaren Ring, dessen die äußeren Zähne tragende Mantelfläche gegenüber seiner parallel zur Rotationsachse angeordneten Innenverzahnung einen Winkel CO von etwa 15°.,.45°, vorzugsweise jedoch 30°, umschließt.According to the invention, this object is achieved by a metallic, elastically and / or plastically deformable ring, the outer teeth of which carrying the outer surface opposite its internal toothing arranged parallel to the axis of rotation an angle CO of about 15 °.,. 45 °, but preferably 30 °, encloses.

* BAD ORIGINAL* ORIGINAL BATHROOM

In sinnvoller Ausgestaltung dieses die vorgeschlagene Erfindung tragenden Gedankens ist vorgesehen, sowohl Außen- als auch Innenverzahnung als Spitzverzahnungen auszubilden.In a useful embodiment of this idea, which carries the proposed invention, it is provided, both external and train internal gears as pointed gears.

Ein anderes wesentliches Erfindungsmerkmal besteht darin/ daß die Zähne der Innenverzahnung im Verhältnis zu den Zähnen der Außenverzahnung versetzt angeordnet sind, derart/ daß jeweils die Spitze eines Zahnes der einen Verzahnung und der Zahngrund zwischen zwei Zähnen der anderen Verzahnung in einer Ebene liegen.Another essential feature of the invention is / that the teeth of the internal toothing are arranged offset in relation to the teeth of the external toothing, such / that in each case the tip of a tooth of one toothing and the tooth base between two teeth of the other toothing in one Lie level.

Von erfindungswesentlicher Bedeutung ist auch das Merkmal, zwischen den Zähnen der Innenverzahnung und den Zähnen eines dazu korrespondierenden anderen Teiles in gegeneinander nicht verspanntem Zustand ein Spiel von etwa 0,05...0,2 mm' vorzusehen.The feature that is essential to the invention is also between the teeth of the internal toothing and the teeth of a corresponding other part against each other a play of approx. 0.05 ... 0.2 mm ' to be provided.

Abgerundet und vervollkommnet wird die insoweit vorgeschlagene Erfindung schließlich noch dadurch, daß der Ring unter Einschluß seiner Verzahnungen durch Präzisionsumformting, insbesondere Kaltumformung, hergestellt ist.The invention proposed to this extent is rounded off and perfected by the fact that the ring under Inclusion of its teeth by precision forming, in particular Cold forming, is produced.

Mit der vorgeschlagenen Erfindung geht eine Reihe vofc "Vorteilen einher: ;,The proposed invention is accompanied by a number of advantages: ; ,

Infolge der mit Vorbedacht gewählten geometrischen Konfiguration des Zahnring-Querschnittes in Gestalt eines Keiles, läßt sich bei Anzug einer Mutter bzw. Schraube nicht nur die Übertragung eines Drehmomentes von einem treibenden auf ein As a result of the carefully chosen geometric configuration of the toothed ring cross-section in the form of a wedge, can When a nut or screw is tightened, not only does the torque transfer from driving to driving

BAD ORIGINALBATH ORIGINAL

angetriebenes Teil bewerkstelligen, sondern gleichermaßen auch ein lagegenaues und zudem spielfreies Zentrieren dieser Bauteile sowie schließlich ein Verspannen eines zwischen treibenden und angetriebenen Teil angeordneten, etwa mehrreihigen Wälzlagers. Die Keilwirkung des Zahnringes wird vor allem durch die Wahl eines KeilwinkelsGOvon etwa 15°...45°, vorzugsweise jedoch 30°, begünstigt, weil dieser Winkelbereich bereits im Gebiete der Selbsthemmung liegt.accomplish driven part, but equally also accurate centering of these components with no play and finally a bracing of one between driving and driven part arranged, approximately multi-row Rolling bearing. The wedge effect of the toothed ring is mainly determined by the choice of a wedge angle GO of about 15 ° ... 45 °, but preferably 30 °, favored because this angular range is already in the area of self-locking.

Begünstigt werden Keilwirkung und spielfreie Radiallagerung bzw. Zentrierung zudem durch die Anwendung von Spitzverzahnungen einerseits und die versetzte Anordnung der Zähne der Innenverzahnung im Verhältnis zu den Zähnen der Außenverzahnung andererseits. Weiterhin erweist es sich als eminenter Vorteil, in unverspanntem Zustand zwischen den Zähnen der Innenverzahnung und den Zähnen eines dazu korrespondierenden anderen Teiles ein angemessen großes Spiel vorzusehen, welches beim Gegeneinanderverspannen gegen Null tendierend verringert wird.Wedge effect and backlash-free radial bearings are favored or centering also through the use of serrations on the one hand and the staggered arrangement of the teeth Internal toothing in relation to the teeth of the external toothing on the other hand. Furthermore, it turns out to be eminent Advantage, in the unstressed state between the teeth of the internal toothing and to provide the teeth of a corresponding other part with a suitably large clearance, which when clamping against each other is reduced tending towards zero.

Selbstverständlich erschöpfen sich die Vorteile der Erfindung nicht allein schon in den vorstehend erwähnten:Of course, the advantages of the invention are exhausted not just in the above-mentioned:

Eine wesentliche Voraussetzung für die Wirksamkeit der keilförmigen Verspannung und spielfreien Zentrierung ist auch eine wohlüberlegte Werkstoffwahl für den Zahnring, der unter Anzug der Mutter (Schraube) eine elastische bzw. eine sogar bis in den plastischen Bereich hineinreichende Verformung gestattet. Die Werkstoffwahl ist zudem auch aus herstellungsmäßig-fabrikatorischer Sicht von nicht unerheblicher Bedeu-An essential requirement for the effectiveness of the wedge-shaped Bracing and backlash-free centering is also a well-considered choice of material for the toothed ring, which under Tightening the nut (screw) results in an elastic deformation or a deformation that even extends into the plastic area allowed. The choice of material also depends on the manufacturing process View of not insignificant

tung, weil der Ring unter Einschluß seiner Verzahnungention because the ring including its teeth

mittels Präzislonsumformung» insbesondere Kaltumformung, herzustellen ist. Eine solche Herstellungsart bat bekannterweise den Vorteil höchster Präzision unter Vermeidung jeglicher mechanischen Nachbearbeitung sowie, auch den Vorteil relativer Preisgünstigkeit.by means of precision forming »especially cold forming is. As is known, such a type of production offered the advantage of maximum precision while avoiding any mechanical post-processing as well, also have the advantage of relative Inexpensive.

In der Zeichnung ist die Erfindung an einem Ausführungsbeispiel dargestellt.
Dabei zeigtIn the drawing, the invention is shown using an exemplary embodiment.
It shows

Fig. 1 . eine Radlageranordnung mit einem verzahntenFig. 1. a wheel bearing assembly with a toothed

Ring, dessen Querschnitt einem Keil entspricht, Ring, the cross-section of which corresponds to a wedge,

Fig. 2 einen Schnitt durch eine andere Ausführungsform der Radlageranordnuhg nach Fig. 1, jedoch ebenfalls mit einem verzahnten Ring, dessen Querschnitt keilförmig ist,FIG. 2 shows a section through another embodiment of the wheel bearing arrangement according to FIG. 1, however also with a toothed ring, the cross-section of which is wedge-shaped,

Fig. 3 die Vorderansicht eines mit VerzahnungenFig. 3 is a front view of a toothed system

versehenen Ringes,provided ring,

Fig. 4 einen Vertikalschnitt durch den Ring nachFig. 4 shows a vertical section through the ring

Fig. 3 entlang der Linie III....III, und schließlichFig. 3 along the line III .... III, and in the end

Fig. 5 ein Werkzeug zum Herstellen eines verzahnten5 shows a tool for producing a toothed

Ringes mittels Kaltumformung.Ring by means of cold forming.

BADBATH

Die Radlagerung mit einem Gleichlaufdrehgelenk für ein Motorfahrzeug nach Fig. 1 besteht im wesentlichen aus einer Radnabe 1, an derem Ende ein Flansch 2 angeordnet istr welcher dem Befestigen eines - nicht dargestellten - Rades dient. Die Radnabe 1 ist mit einem zylindrischen Ansatz 3 versehen; der Ansatz dient dabei der Aufnahme der inneren Lagerringe 4 eines Wälzlagers. In den Lagerschalen der inneren Lagerringe 4 sind in an sich bekannter Weise Walzkörper 5 in Rillen angeordnet , welche in einem äußeren Lagerring 6 abrollen. Der Träger 7 der Radlagerung dient der Befestigung am - nicht dargestellten - Motorfahrzeug. In der Bohrung 8 des Ansatzes 3 ist der Zapfen 9 des äußeren Gelenkkörpers 10 eines ebenfalls nicht weiter dargestellten Gleichlaufdrehgelenkes gelagert. Der Zapfen 9 ist dabei an seinem dem Gleichlaufdrehgelenk abgekehrten Ende mit einer Längsverzahnung 9a versehen. In diese Verzahnung greift eine korrespondierende Verzahnung 11 des Ringes 12 ein. Dieser Ring ist im Querschnitt keilförmig ausgebildet; der Keilwinkel OO beträgt etwa 15°...45°, vorzugsweise jedoch 30°. In unverspanntem Zustand besteht zwischen der Verzahnung 9a des Zapfens 9 und der Verzahnung 11 des Ringes 12 ein Spiel von etwa 0,05...0,2 mm. Die Außenverzahnung 13 des Ringes 12 steht ihrerseits mit einer korrespondierend ausgebildeten Gegenverzahnung la der Radnabe 1 in Eingriff. Die Mutter 15, welche mittels Gewinde 14 auf dem zapfenartigen Ansatz 9 des äußeren Gelenkkörpers 10 aufgeschraubt ist, übt bei ihrem Anzug auf den Ring 12 einen axialen Druck aus. Durch entsprechende Werkstoffwahl läßt sich der Ring 12 elastisch verformen. Die Verformung kann dabei ohne weiteres bis in den plastischen Bereich reichen. Hierdurch wird nicht nur eine drehfeste, sondern vor allem auch eine völlig spielfreie Verbindung zwischen dem Zapfen 9 und der Radnabe 1 gewährleistet. Beim Anzug der Mutter 15 wirkt. The wheel bearing with a constant velocity joint for a motor vehicle of Figure 1 consists essentially of a wheel hub 1, disposed at the end of which a flange 2 r which is the mounting of a - not shown - is wheel. The wheel hub 1 is provided with a cylindrical extension 3; the approach is used to accommodate the inner bearing rings 4 of a roller bearing. In the bearing shells of the inner bearing rings 4, rolling bodies 5 are arranged in grooves in a manner known per se, which roll in an outer bearing ring 6. The carrier 7 of the wheel bearing is used for attachment to the motor vehicle - not shown. In the bore 8 of the extension 3, the pin 9 of the outer joint body 10 of a constant velocity swivel joint, also not shown, is mounted. The pin 9 is provided with a longitudinal toothing 9a at its end facing away from the constant velocity swivel joint. A corresponding toothing 11 of the ring 12 engages in this toothing. This ring is wedge-shaped in cross section; the wedge angle OO is approximately 15 ° ... 45 °, but preferably 30 °. In the unstressed state, there is a play of about 0.05 ... 0.2 mm between the toothing 9a of the pin 9 and the toothing 11 of the ring 12. The external toothing 13 of the ring 12 in turn engages with a correspondingly designed counter-toothing 1 a of the wheel hub 1. The nut 15, which is screwed onto the pin-like projection 9 of the outer joint body 10 by means of a thread 14, exerts an axial pressure on the ring 12 when it is tightened. The ring 12 can be elastically deformed by selecting the appropriate material. The deformation can easily extend into the plastic range. In this way, not only a non-rotatable, but above all a completely play-free connection between the pin 9 and the wheel hub 1 is guaranteed. When the nut 15 is tightened, it acts

BAD ORIGINALBATH ORIGINAL

AOAO

sich die Keilforra des Ringes 12 auch insofern günstig aus, als die Radnabe 1 samt ihrem zylindrischen Ansatz 3 soweit in Richtung des Gleichlaufdrehgelenkes verschoben wird, daß über den Bund Ib die inneren Lagerringe 4 des Wälzlagers gegen die Schulter 10a des äußeren Gelenkkörpers 10 gepreßt und damit zugleich gegeneinander verspannt werden, ohne jedoch ein Verklemmen der Lagerringe 4 hervorzurufen. Das Verkeilen des Ringes 12 mit der Radnabe 1 einerseits und dem Zapfen 9 andererseits wird durch entsprechende Ausbildung der jeweils miteinander korrespondierenden Verzahnungen 9a/ll und la/13 als Spitzverzahnungen begünstigt. Die Zähne der Innenverzahnung 11 des Ringes 12 sind im Verhältnis zu den Zähnen der Außenverzahnung 13 versetzt angeordnet, derart, daß jeweils die Spitze eines Zahnes der einen Verzahnung und der Zahngrund zwischen zwei Zähnen der anderen Verzahnung in einer Ebene liegen.the wedge shape of the ring 12 is also favorable in that than the wheel hub 1 including its cylindrical extension 3 as far in Direction of the constant velocity joint is shifted that over the collar Ib the inner bearing rings 4 of the roller bearing against the Shoulder 10a of the outer joint body 10 are pressed and thus at the same time braced against one another, but without jamming the bearing rings 4 cause. The wedging of the ring 12 with the wheel hub 1 on the one hand and the pin 9 on the other hand, through a corresponding design of the toothings 9a / 11 and la / 13 favored as serrations. The teeth of the internal teeth 11 of the ring 12 are in relation to the teeth of the External toothing 13 arranged offset, such that each the tip of a tooth of one toothing and the tooth base between two teeth of the other toothing in one Lie level.

In Fig. 2 ist unter Anwendung des vorstehend schon beschriebenen Erfndungsprinzips anstelle eines Gleichlaufdrehgelenkes eine Antriebswelle 16 angeschlossen . Auch in diesem Ausführungsbeispiel wird der auf den Ring 12 wirkende Axialdruck von einer Mutter 15 hervorgerufen. Im Unterschied zum Beispiel nach Fig. 1 weist die Mutter 15 hier jedoch ein Außengewinde 17 auf, welches mit einem Innengewinde 16a der Antriebswelle 16 kooperiert.In FIG. 2, the principle of the invention already described above is used instead of a constant velocity swivel joint a drive shaft 16 is connected. The axial pressure acting on the ring 12 is also in this exemplary embodiment caused by a mother 15. In contrast to the example according to FIG. 1, however, the nut 15 here has an external thread 17 which is connected to an internal thread 16a of the drive shaft 16 cooperates.

In den Fig. 3 und 4 ist ein Ring 12 als Einzelteil dargestellt. Hierbei ist in der Bohrung 18 eine Innenverzahnung vorgesehen und auf der schrägen Außenfläche eine Verzahnung 13. Die keilartige Außenfläche mit ihrer Verzahnung 13 um-3 and 4, a ring 12 is shown as an individual part. Here, there is an internal toothing in the bore 18 provided and a toothing 13 on the inclined outer surface. The wedge-like outer surface with its toothing 13 is

BAD ORIGINALBATH ORIGINAL

ΑΛΑΛ

schließt gegenüber ihrer' parallel zur Rotcitionnachse angeordneten Innenverzahnung 11 einen WinkelCOvon etwa 15°···45°, vorzugsweise jedoch von 30°. Die Stirnfläche 19 dient als Anschlag- oder Andruckfläche für die Mutter 15, und zwar zur Aufnahme des bei ihrem Anzug erzeugten axialen Druckes.closes opposite its' arranged parallel to the Rotcitionnachse Internal toothing 11 has an angle CO of about 15 ° 45 °, but preferably of 30 °. The end face 19 serves as Stop or pressure surface for the nut 15, namely for Recording of the axial pressure generated when they are tightened.

In Fig. 5 ist ein Preß- od. dgl. Werkzeug 20 dargestellt. Es dient dem spanlosen Herstellen eines Ringes 12 samt dessen Verzahnungen 11 und 13. Das Herstellen des Ringes 12 erfolgt auf dem Wege der Präzisionsumformung, insbesondere Kaltumformung. Im unbearbeiteten Zustand ist der Ring mit 22 bezeichnet/ während der Pressenstempel mit 21 gekennzeichnet ist.In Fig. 5, a press or. The like. Tool 20 is shown. It is used for the non-cutting manufacture of a ring 12 together with it Toothings 11 and 13. The ring 12 is manufactured by means of precision forming, in particular cold forming. In the unprocessed state, the ring is denoted by 22 / while the press ram is denoted by 21.

BAD ORIGINALBATH ORIGINAL

^i te"";.13^ i te "";. 13

AlAl

B i-, /CUGS Z RJGHf-. N" LIS 'Γ ΕB i-, / CUGS Z RJGHf-. N "LIS 'Γ Ε

1 Radnahe1 near the bike

2a Verzahnung an der Radnabe2a toothing on the wheel hub

Ib AnschlagschulterIb stop shoulder

2 Flansch2 flange

3 Ansatz3 approach

4 innere Lagerringe4 inner bearing rings

5 Wälzkörper5 rolling elements

6 äußerer Lagerring6 outer bearing ring

7 ■ . Träger7 ■. carrier

8 Bohrung im Radnaben-Ansatz8 Hole in the wheel hub shoulder

9 Zapfen9 tenons

9a Verzahnung im Zapfen9a toothing in the journal

10 äußerer Gelenkkörper10 outer joint body

11 Innenverzahnung11 internal teeth

12 . Ring12th ring

13 Außenverzahnung13 external toothing

14 Gewinde (auf Zapfen 9)14 thread (on pin 9)

15 Mutter (mit Innengewinde)15 nut (with internal thread)

16 Antriebswelle16 drive shaft

16a Gewinde in der Antriebswelle16a thread in the drive shaft

17 Außengewinde (auf Mutter 15) 17 external thread (on nut 15)

18 zylindrische Bohrung (im Ring 12)18 cylindrical bore (in ring 12)

19 Stirnfläche19 face

20 Preßwerkzeug20 pressing tool

21 ProsRenstempel21 ProsRenstempel

22 Ring-Rohteil22 Ring blank

Winkel zwischen den Verzahnungen 11 undAngle between the teeth 11 and

BAD ORIGINALBATH ORIGINAL

//3
Leerseite// 3
Blank page

Claims (5)

Paten tans _p _ r_ jü_c Jh _e_ Pat en ta ns _p _ r_ jü_c Jh _e_ Vorrichtung zum Übertragen eines Drehmomentes von einem treibenden auf ein angetriebenes Teil, welche zumindest teilweise koaxial zueinander angeordnet sind, mittels an beiden Teilen
angebrachten Verzahnungen und einer Anpreßmutter bzw. Anpreßschraube/ insbesondere von einem Gleichlaufdrehgelenk eines
angetriebenen Rades eines Motorfahrzeuges auf die zum Befestigen des Rades vorgesehenen Radnabe, wobei eines der beiden
Teile mit zur Achse beider Teile parallelverlaufenden, auf dem Umfang verteilt angeordneten Zähnen und das andere Teil mit
einem sich erweiternden Bereich in Gestalt eines Kegelstumpfmantels mit auf der Mantelfläche angeordneten Zähnen versehen ist, welche unter einem Winkel zur Achse beider Teile verlaufen, deren gedachten Verlängerungen die Achse in einem Punkte schneiden, und wobei zwischen beiden Verzahnungen ein im Querschnitt etwa dreieckförmiger Ring aufgenommen ist, welcher in seiner Bohrung und auf seiner eine Dreieckfläche bildenden
Außenseite mit zu den Zähnen der beiden anderen Teile korrespondierenden Zahnen versehen ist, gegen welche die Mutter bzw. Schraube anpreßbar ist,Device for transmitting a torque from a driving to a driven part, which are at least partially arranged coaxially to one another, by means of both parts
attached teeth and a clamping nut or clamping screw / in particular from a constant velocity swivel joint
driven wheel of a motor vehicle on the wheel hub provided for fastening the wheel, one of the two
Parts with teeth that run parallel to the axis of both parts and are distributed around the circumference, and the other part with
an expanding area in the form of a truncated cone jacket with teeth arranged on the jacket surface, which run at an angle to the axis of both parts, the imaginary extensions of which intersect the axis at one point, and a ring with an approximately triangular cross-section is received between the two teeth , which in its bore and on its forming a triangular surface
The outside is provided with teeth corresponding to the teeth of the two other parts, against which the nut or screw can be pressed, gekennzeichnetmarked durch einen metallischen, elastisch und/oder plastisch deformierbaren Ring (12), dessen die äußeren Zähnen (13) tragendeby a metallic, elastically and / or plastically deformable Ring (12), the outer teeth (13) of which supporting BAD ORIGINALBATH ORIGINAL ... ., J^ü^oj...., J ^ ü ^ oj KanteIilache gegenüber seiner piirallel zur Rotationsachse an geordneten Innenverzahnung (11) einen WinkelT'O von etwa 15°...45°, vorzugsweise jedoch 30°, umschließt.Edge is opposite to its parallel to the axis of rotation ordered internal toothing (11) an angle T'O of about 15 ° ... 45 °, but preferably 30 °. 2. Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet/2. Device according to claim 1,
characterized/ daß Außen- und Innenverzahnung (11,13) als Spitzverzahnungen ausgebildet sind.that external and internal teeth (11,13) as pointed teeth are trained. 3. Vorrichtung nach Anspruch 1 und 2,
dadurch gekennzeichnet,3. Device according to claim 1 and 2,
characterized, daß die Zähne der Innenverzahnung (.11) in Verhältnis zu den Zähnen der Außenverzahnung (13) versetzt angeordnet sind, derart, daß jeweils die Spitze eines Zahnes der einen Verzahnung und der Zahngrund zwischen zwei Zähnen der anderen Verzahnung in einer Ebene liegen.that the teeth of the internal toothing (.11) are arranged offset in relation to the teeth of the external toothing (13), in such a way that that in each case the tip of a tooth of one toothing and the tooth base between two teeth of the other toothing lie in one plane. 4. Vorrichtung nach Anspruch 1 bis 3,
dadurch gekennzeichnet,4. Apparatus according to claim 1 to 3,
characterized, daß zwischen den Zähnen der Innenverzahnung (H) und den Zähnen (9a) eines dazu korrespondierenden anderen Teiles (9, 16) in gegeneinander nicht verspanntem Zustand ein Spiel von 0,05...0,2 mm herrscht.that between the teeth of the internal toothing (H) and the teeth (9a) of a corresponding other part (9, 16) there is a clearance of 0.05 ... 0.2 mm when they are not clamped against each other. 5. Vorrichtung nach den Ansprüchen 1 bis 3, dadurch gekennzeichnet,5. Device according to claims 1 to 3, characterized in that BAD ORIGINALBATH ORIGINAL • · .,f'• ·., F ' ccß der Ring (12) unter Einschluß seiner Verzahnungen (3 3f13) durch Präzisionsumformung, insbesondere Kaltumformung,· hergestellt ist.ccß the ring (12) including its teeth (3 3 f 13) is manufactured by precision forming, in particular cold forming. BADBATH
DE19823246233 1982-12-14 1982-12-14 DEVICE FOR TRANSMITTING A TORQUE Granted DE3246233A1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DE19823246233 DE3246233A1 (en) 1982-12-14 1982-12-14 DEVICE FOR TRANSMITTING A TORQUE
JP58177197A JPS59110922A (en) 1982-12-14 1983-09-27 Transmitter for revolving torque
ES1983274635U ES274635Y (en) 1982-12-14 1983-09-28 DEVICE TO TRANSMIT A MOMENT OF TURN
IT8307059U IT8307059V0 (en) 1982-12-14 1983-10-25 DEVICE FOR THE TRANSMISSION OF THE TORQUE, e.g. TO THE DRIVEN WHEELS OF MOTOR VEHICLES.
IT05210/83A IT1195446B (en) 1982-12-14 1983-10-25 DEVICE FOR THE TRANSMISSION OF THE TORQUE, e.g. TO THE DRIVEN WHEELS OF MOTOR VEHICLES
BR8306398A BR8306398A (en) 1982-12-14 1983-11-22 DEVICE FOR THE TRANSMISSION OF A ROTATION TIME
US06/559,205 US4576503A (en) 1982-12-14 1983-12-08 Torque transmission assembly
GB08332866A GB2131916B (en) 1982-12-14 1983-12-09 A self-centering torque transmission assembly
FR8320057A FR2537678B1 (en) 1982-12-14 1983-12-14 DEVICE FOR TRANSMITTING A TORQUE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823246233 DE3246233A1 (en) 1982-12-14 1982-12-14 DEVICE FOR TRANSMITTING A TORQUE

Publications (2)

Publication Number Publication Date
DE3246233A1 true DE3246233A1 (en) 1984-06-14
DE3246233C2 DE3246233C2 (en) 1988-01-28

Family

ID=6180626

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823246233 Granted DE3246233A1 (en) 1982-12-14 1982-12-14 DEVICE FOR TRANSMITTING A TORQUE

Country Status (8)

Country Link
US (1) US4576503A (en)
JP (1) JPS59110922A (en)
BR (1) BR8306398A (en)
DE (1) DE3246233A1 (en)
ES (1) ES274635Y (en)
FR (1) FR2537678B1 (en)
GB (1) GB2131916B (en)
IT (2) IT8307059V0 (en)

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Also Published As

Publication number Publication date
FR2537678B1 (en) 1989-07-28
JPH0454091B2 (en) 1992-08-28
JPS59110922A (en) 1984-06-27
GB8332866D0 (en) 1984-01-18
BR8306398A (en) 1984-07-31
GB2131916B (en) 1985-10-30
IT8305210A0 (en) 1983-10-25
US4576503A (en) 1986-03-18
FR2537678A1 (en) 1984-06-15
GB2131916A (en) 1984-06-27
DE3246233C2 (en) 1988-01-28
ES274635U (en) 1984-01-16
ES274635Y (en) 1984-08-16
IT8307059V0 (en) 1983-10-25
IT1195446B (en) 1988-10-19

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Owner name: GKN AUTOMOTIVE AG, 5200 SIEGBURG, DE

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Owner name: GKN AUTOMOTIVE AG, 53797 LOHMAR, DE

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